26 lines
669 B
JavaScript
26 lines
669 B
JavaScript
import { createHash } from 'crypto'
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import { bech32 } from 'bech32'
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export function encodeLNUrl (url) {
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const words = bech32.toWords(Buffer.from(url.toString(), 'utf8'))
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return bech32.encode('lnurl', words, 1023)
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}
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export function lnurlPayMetadataString (username) {
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return JSON.stringify([[
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'text/plain',
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`Funding @${username} on stacker.news`
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], [
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'text/identifier',
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`${username}@stacker.news`
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]])
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}
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export function lnurlPayDescriptionHashForUser (username) {
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return lnurlPayDescriptionHash(lnurlPayMetadataString(username))
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}
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export function lnurlPayDescriptionHash (data) {
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return createHash('sha256').update(data).digest('hex')
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}
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